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<title>Untitled Document</title>
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<?php
	$str = "Nguyễn ANh THoại, Nguyễn ANh THoại, Nguyễn ANh THoại, Nguyễn ANh THoại, Nguyễn ANh THoại, Nguyễn ANh THoại, Nguyễn ANh THoại, Nguyễn ANh THoại, ";
	$s = substr($str,0,32);
	echo $str."<br/>";
	echo $s."<br/>";
	echo substr($s,0,strrpos($s,''));
	
?>

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